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Unused fireplace recess: do I need a closure plate?

Discussion in 'Building' started by Smurf811, 23 Aug 2021.

  1. Smurf811

    Smurf811

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    Hello! Recently bought my first house and I’m a total DIY novice. We had a gas fireplace removed (the kind that sits midway up the chimney breast and looks like a Tv),and had the gas capped. Our plan was to just use the recess as a feature in the chimney breast, as we do not want a new gas fireplace fitting.

    The chimney has a vent (?) on top so no rain or pigeons etc can get in. The recess of course needs some tidying up and cleaning. I plan to add a layer of bricks and mortar at the bottom so the base of our “feature hole” is level-ish with the skirting board. And fill in any gaps between bricks with mortar. Sound okay?

    Do I need to instal a closure plate? Or is there another way to avoid losing heat up the chimney given that the fireplace will be completely unused?
     
  2. richw

    richw

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    You can buy a chimney balloon, which you inflate to fit.
     
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  4. Smurf811

    Smurf811

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    thank you! Would a chimney balloon work when there is a liner (the big tin foil-looking pipe ) up there?
     
  5. richw

    richw

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    Err... I don't see why not. But if there is a liner, why not just stuff some insulation up there?
     
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